Shelf bracket



FIG. 1 is a perspective view of a shelf bracket.

FIG. 2 is a left side view of the shelf bracket.

FIG. 3 is a front view of the shelf bracket.

FIG. 4 is a right side view of the shelf bracket.

FIG. 5 is a top view of the shelf bracket; and,

FIG. 6 is a bottom view of the shelf bracket.

The broken line showing of elements of the shelf bracket is for the purpose of illustrating unclaimed features and environment and forms no part of the claimed design. 

The ornamental design for a shelf bracket, as shown and described. 